Will's GTC disasters

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AJL Electronics
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Will's GTC disasters

Post by AJL Electronics » Fri Jun 26, 2020 5:44 pm

The 1.3 is suitable for basecoats flat, metallics and lacquer. The 1.8 is for primer as a general rule. You will find the guns to be very easy to use and require little air. Overspray is minimal. It takes a bit longer to spray a panel with LVLP but that can be a benefit to someone who isn't experienced. I have some expensive and marvellous guns, but I still go back to the FM for small jobs or where I don't want to do a full spray booth setup.


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Will's GTC disasters

Post by Will Yarrow » Fri Jun 26, 2020 5:56 pm

Cheers AJL, I'll give it a try and post pics of all the runs.



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Will's GTC disasters

Post by Diyhell » Fri Jun 26, 2020 6:33 pm

Stumbled across your thread whilst looking for something else SE6A - great work.


SE6a needing lots of work...

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Will's GTC disasters

Post by AJL Electronics » Fri Jun 26, 2020 7:50 pm

Practice and set the gun up on some masking paper taped to a door etc. Pressure is quite important, so set it on a gun mounted gauge with the trigger pulled. Spray some gunwash for getting the feel of it. Then try the paint on the same paper as you will need to open the controls a bit more. It is unlikely that you will get paint runs, but you might have dry spray if too fast or too far from the panel. See what it takes on the test panel to make it run. It can be flatted back once cured regardless. Leave it a good 24 hours before attempting to flat. Work through the grades, finishing at 800-1000 DRY. Don't allow water near it until polishing the final coats.

Basecoat needs to be a few light coats, it is only for colour. Too much application will lead to "tiger stripes", so slowly slowly catchee monkey. Final coat even lighter, from further away and in a criss cross movement. That makes the paint almost dry when it hits the panel and so the metallic particles tend to stand to attention, rather than sink.

Lacquer must go on within the overcoat window times. Anything 15 minutes to an hour or so will be fine, but no longer than necessary. First coat should be a mist coat "tack coat" followed by a couple of wet coats applied after the paint on the masking is still sticky but doesn't come off on your finger.


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Will's GTC disasters

Post by Will Yarrow » Sun Jun 28, 2020 4:57 am

AjL
I'm watching a few youtube vids on LPLV guns now, I thought I'd have to flat the colour coat before adding the laquer/clearcoat, I take it I have to get it right first go then....
On a side note when I'm sanding the gelcoat i see a lot of bubbles, should I be worried? In the worst areas I've ground them out and filled with fresh gelcoat, it's everywhere the paint had blisterd on top, I feel some blister porn coming on, thats gelcoat blisters, you lot are filthy.



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Will's GTC disasters

Post by AJL Electronics » Sun Jun 28, 2020 9:19 am

The last flatting is the final coat of primer. Basecoat you don't touch in any way, I don't even recommend a tack cloth, although some do. If you put three light coats of basecoat on, it will not be an issue anyway. Don't look for a gloss, basecoat is purely colour and lacquer provides the gloss. If you have gelcoat damage, yes repair with resin after thorough cleaning and drying out, that is where the moisture hides to give you microblisters in six months. There is no way that you will find all the pores until the first coat of epoxy goes on, then they will appear like a rash. You can then use Diamond Glaze to stop them up.

Final gelcoat flat is 120 dry
Epoxy prime twice allowing each to flash
Minor repairs
Flat to 320 dry
At least two more coats of epoxy to seal
Allow at least 12 hours to cure
Flat to 320, 500 then give it a guide coat and finish with 800 dry at least.
If your spraying is rough, you might need to start coarser.
Mist coat of basecoat
Two more light basecoats until fully coloured
"Fairy dust" another basecoat
Allow to flash
Light tack coat of laquer
Two wet coats of lacquer allowing each to flash.

When painting, do the difficult bits first, wheel arches, door shuts etc.


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Will's GTC disasters

Post by Will Yarrow » Sun Jun 28, 2020 7:58 pm

Thanks AJL, that's a very concise and practical painting guide, reminds me of one a mate gave me for plastering and I'll do the same as I did with his, write it down large in marker pen on a sheet of cardboard and keep it next to me while I do the job, thanks once again.



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Will's GTC disasters

Post by AJL Electronics » Sun Jun 28, 2020 8:16 pm

Do you understand "flash time"?


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Will's GTC disasters

Post by Will Yarrow » Sun Jun 28, 2020 10:03 pm

I presume its similar to plastering, gone off but still tacky, I was going to look it up.



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Post by Will Yarrow » Sun Jun 28, 2020 10:21 pm

Actually I just looked it up and I was half right, it's the minimum time between coats, depending on the product.



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Will's GTC disasters

Post by AJL Electronics » Sun Jun 28, 2020 10:47 pm

Put your gloved finger on the masking. It should be sticky, with no paint transfer to your finger.


Yes, we can mend your Scimitar!
Order your Scimitar parts any hour of the day at http://www.classicmicrocars.com (member's discounts).

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Will's GTC disasters

Post by Will Yarrow » Sun Jun 28, 2020 11:45 pm

Thanks again for the tip, and still very similar to plastering. I'm going to have to show every step now.



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Will's GTC disasters

Post by Will Yarrow » Mon Aug 31, 2020 1:10 am

Before painting I thought I should sort out the backlights, I've never liked the Marina/Aston/lotus/Tr7 back lights, they look too Marina to me, the door handles are bad enough.
I'm not saying mine are better but here's my kit car solution:-
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Attachments
Arsend_013_third_time_lucky.jpg
Arsend_013_third_time_lucky.jpg (176.17 KiB) Viewed 299 times
Last edited by Will Yarrow on Mon Aug 31, 2020 8:26 pm, edited 1 time in total.



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Will's GTC disasters

Post by philhoward » Mon Aug 31, 2020 5:29 am

I quite like those.

What are you doing about reflectors - where are they going?


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Post by DARK STAR » Mon Aug 31, 2020 7:02 am

Those rear lights look familiar, very smart !
Glad you decided not to use four each side.
Incidentally photos are upside down on my Mac.
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2005 06 scimitar beach rear.jpg (180.66 KiB) Viewed 365 times


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